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54results about How to "Good back" patented technology

Touch operation method

The invention discloses a touch operation method and relates to the technical field of a browser of a tablet device. The method comprises the following steps of: 1, recording a gesture trace of a user on a touch window; 2, matching the gesture trace with a predetermined gesture according to a framework point matching algorithm; and 3, performing a function of the predetermined gesture matched with the gesture trace. By the touch operation method, the user can perform the operations of going forward, going backward and checking multi-view, shutting down a webpage and the like conveniently; therefore, the operation time is shortened and a user experience is improved greatly.
Owner:北京思创银联科技股份有限公司

Natural pigment low-temperature anti-oxidation extraction device for spinning

The invention discloses a natural pigment low-temperature anti-oxidation extraction device for spinning. The device comprises a tank body; the middle part of the tank body is provided with a partitionplate; The partition plate divides the interior of the tank body into an extrusion cavity and a receiving cavity which are arranged up and down; a vertically downward telescopic cylinder is arrangedat the top of the tank body; an extrusion plate is arranged in the extrusion cavity; the center of the partition plate is provided with densely distributed through holes; a liquid collecting box whichis used for collecting liquid and has an open top is arranged in the receiving cavity; a cooling cavity channel is arranged on the side wall of the tank body; a crushing cavity is arranged on an auxiliary box body; a pair of crushing rollers in transmission connection is arranged in the crushing cavity; the bottom of the crushing cavity is provided with a conveying cavity which is downward inclined and communicates with the extrusion cavity; and the conveying cavity is internally provided with a conveying auger. The invention works in a closed environment, cannot be influenced by the externalenvironment, and has the characteristic of high working efficiency.
Owner:苏州南吉纺织科技有限公司

Multifunctional wireless pipeline television inspection device, and application and use method thereof

The invention relates to a multifunctional wireless pipeline television inspection device, and an application and a use method thereof. The multifunctional wireless pipeline television inspection device comprises a housing, and a bracket component, an image collection component, an image processing component, an image storage component, an automatic control system component and a power supply component, which are arranged on the housing; the automatic control system component is respectively connected with the image collection component, the image processing component and the image storage component; the image processing component is respectively connected with the image collection component, the image processing component and the image storage component; and the automatic control system component comprises a programmable controller, a data converter, a data comparator, a data memory and a wireless remote communication component. The multifunctional wireless pipeline television inspection device has the advantages of reasonable structural design, simple operation, low maintenance cost, capability of effectively reducing the labor intensity, safe and reliable operation, high degreeof automation, and capability of being widely applied to toxic sewage, toxic gas, pipeline blockage, long-term or short-term monitoring of underground pipelines and the like, as well as capability ofremotely realizing data transmission, etc.
Owner:BEIJING DRAINAGE GRP CO LTD

Conveying device used for sheet glass production

The invention discloses a conveying device used for sheet glass production. The conveying device used comprises a conveying seat, a telescopic support plate and a locating plate. The telescopic support plate is fixed in the conveying seat. The locating plate is fixed to the upper end of the telescopic support plate. The conveying seat comprises a conveying plate, locating separation plates, protective frame and an opening-closing frame. The conveying plate is provided with the locating separation plates. The locating separation plates are located on the two sides of the telescopic support plate. The protective frame is fixedly connected with the front side and the rear end of the conveying plate. The opening-closing frame is arranged on the left side and the right side of the conveying plate. The telescopic support plate comprises a first fixed plate, a second fixed plate and a movable plate. The locating plate is provided with locating grooves. The conveying device is high in practicability. Not only is the stability of the conveying device during conveying work improved, but also the fixing effect is ensured. The conveying seat is arranged, so that sheet glass is conveyed through the conveying seat during the conveying process. Therefore, the step of manual conveying is reduced, and the risk of personal injury is reduced. The whole process is convenient to operate, and the stability of the conveying device for the sheet glass is improved.
Owner:SHENGZHOU HUANDING GLASS TECH CO LTD

Electrolyte preparation equipment and method

The invention discloses electrolyte preparation equipment and method. The preparation equipment comprises a preparation box, wherein a preparation groove is formed in the top of the preparation box; double-shaft stirring motors are fixedly mounted at two sides of the top of the preparation box; a stirring shaft is welded on an output shaft of each double-shaft stirring motor; a first bevel gear iswelded at each of ends, which get close to each other, of two stirring shafts located between the two double-shaft stirring motors; traction plates are welded on inner walls of two sides of the preparation box; traction holes are formed in the tops of the traction plates; a rotary shaft is mounted in the traction holes in a rotatory manner; a second bevel gear is welded at the top end of the rotary shaft; a plurality of rotary rods are welded at the outer side of the rotary shaft; supporting plates are welded at two sides of the bottom of the preparation box; rotating holes are formed in thesupporting plates. The electrolyte preparation equipment has high practicability; the rotary shaft and the rotary rods are arranged so that the quality of electrolyte is effectively improved; a firstball, a second ball and an isosceles trapezoid plate are arranged and a filtering plate moves back and forth in a vertical direction, so that the filtering plate is prevented from being blocked.
Owner:DATONG XINCHENG NEW MATERIAL CO LTD

Chemical fiber cloth cleaning device

The invention discloses a chemical fiber cloth cleaning device. The device comprises a cleaning box with an opening in the top, two horizontal guiding rods are welded to the inner wall of the cleaningbox, two first fixing plates movably sleeve outer rings of the guiding rods, the sides, away from each other, of the two fixing plates are connected with first springs sleeving the outer rings of theguiding rods respectively, and the ends, away from the first fixing plates, of the first springs are connected to the inner wall of the cleaning box; second fixing plates are welded to the tops of the first fixing plates, two horizontal wiping plates are welded to the sides, close to each other, of the two second fixing plates, and the sides, away from each other, of the two wiping plates are provided with first material guiding rollers which are rotatably connected to the inner wall of the cleaning box. The device is novel in design and easy to operate, not only is convenience provided for cleaning cloth, incomplete cleaning because of accumulation of the cloth is avoided, but also the cloth can be heated and dried quickly, the subsequent production time is shortened, and the device is suitable for market popularization.
Owner:浙江盛邦化纤有限公司

River sediment content measuring device and method

The invention discloses a river sediment content measuring device and method. According to the river sediment content measuring device and method, the problems that in the prior art, manual measurement of the river sediment content is large in danger, large in workload, and low in measurement accuracy are solved, and the beneficial effect of accurately and relatively quickly achieving a river sediment content value is achieved. According to the following scheme, the river sediment content measuring device comprises a shell; the exterior of the shell is provided with a mortar online density measuring instrument and a water depth measuring instrument which are connected with a controller, and the controller is connected with a remote terminal through the Internet of Things; the shell is provided with a water inlet and a drainage port for water feeding and drainage; and a water sucking piece and a water draining piece are arranged in the shell, and both connected with the controller to drive the shell to ascend and descend in a river. Through the mortar online density measuring instrument and the water depth measuring instrument, the content of sediment at different depths is averagedto obtain the average sediment content value of a measured point.
Owner:SHANDONG UNIV +1

Cable conduit dredging and cleaning equipment

The invention discloses cable conduit dredging and cleaning equipment. The equipment comprises a power supply cabin, an electric control board, a walk mechanism, a guide support and a shield mechanism, wherein a voltage regulation board is arranged in the power supply cabin, the input end of the voltage regulation board is electrically connected with an outside power source, and the output end ofthe voltage regulation board is electrically connected with the electric control board; the walk mechanism comprises a walk motor cabin and a walk support, a walk motor and the electric control boardare arranged in the walk motor cabin, and the walk support is rotatably mounted between the power supply cabin and the walk motor cabin and is in transmission connection with an output shaft of the walk motor; the shield mechanism is located at one side, away from the power supply cabin, of the walk motor cabin and is connected with the walk motor cabin through a first connecting shaft; the guidesupport is fixedly mounted on the first connecting shaft; and the walk motor and the shield mechanism are both electrically connected with the electric control board. Through the cable conduit dredging and cleaning equipment, mud, gravel and other blocking substances in a cable conduit can be effectively removed, and road surface excavation engineering which is necessary due to conduit blockage isavoided.
Owner:ZHEJIANG LANDI ELECTRIC POWER TECH CO LTD

Portable breathing trainer

The invention discloses a portable breathing trainer, and belongs to the technical field of medical supplies. The portable breathing trainer comprises a training bottle and a blowing pipe, wherein thetraining bottle comprises a bottle body and a bottle cap, the bottle cap covers the mouth of the bottle body, one end of the blowing pipe penetrates into the bottle body from the side wall of the upper end of the bottle body, the other end of the blowing pipe is positioned outside the bottle body, the blowing pipe and the bottle body are in sealed connection, the end, positioned outside the bottle body, of the blowing pipe is provided with a blowing nozzle, a one-way valve is arranged on the blowing pipe, and a pressure release valve is arranged on the side wall of the upper end of the bottlebody. The portable breathing trainer is simple in strucutre, convenient to use and convenient to carry, air blowing is carried out on the inside of the bottle body through the blowing pipe, and whenthe pressure in the bottle body exceeds a set value, air in the bottle body leaks from the pressure release valve. Meanwhile, the one-way valve is arranged on the blowing pipe, so that the backward flowing of air or liquid in the bottle body is avoided.
Owner:欧阳雪莲

Furnace-entering firing device with high use efficiency

The invention discloses a furnace-entering firing device with high use efficiency. The furnace-entering firing device comprises a cabinet body, wherein a bottom plate is arranged inside the cabinet body; supporting structures are fixedly arranged at four end corners of the upper end surface of each supporting structure; a damping structure is fixedly arranged on the upper end surfaces of the foursupporting structures; the upper end surface of the damping structure is connected with a mounting box in a sliding mode; limiting mechanisms are arranged at the front end and the rear end of the mounting box; pulleys are fixedly arranged at four end corners of the lower end surface of the bottom plate; positioning mechanisms are arranged inside two pulleys; and a brake mechanism is arranged on the front side edge of each pulley. The furnace-entering firing device with high use efficiency is simple in structure, convenient to operate and convenient to use, can be used for fixing and limiting grinding wheel materials needing to be fired, so that the grinding wheel materials needing to be fired are prevented from generating displacement in the firing process; and meanwhile, the device can besupported, is convenient to move, is relatively high in stability, is convenient for regulating height of the mounting box according to needs, and has a damping function.
Owner:芜湖市华峰砂轮有限公司

Pipeline air tightness detection device and method

The invention relates to the technical field of pipeline detection, and provides a pipeline airtightness detection device. The device comprises a detection head capable of extending into a pipeline from an inlet of the pipeline and plugging the pipeline, a hose for providing gas and a detector for detecting air pressure, and the detection head is positioned at an air outlet in the plugged pipeline and is communicated with an air outlet of the hose; and the air inlet of the hose is butted with the detection end of the detector. The invention also provides a pipeline air tightness detection method. The method comprises four steps of S1 to S4. According to the invention, the detection head extends into a to-be-detected pipeline and blocks the pipeline section, then the pipeline section is filled with gas through the hose, and then the pressure change of the pipeline section is directly detected through the detector, so that whether the pipeline section leaks or not can be quickly and accurately judged; and gas is provided for an expansion ring through the hose, and the expanded expansion ring can block the pipeline, so that the section, far away from the inlet of the pipeline, of the pipeline becomes a blocked section, and gas pressure detection is facilitated.
Owner:STATE GRID CORP OF CHINA +1

Reverse gear swing arm support assembly

The invention discloses a reverse gear swing arm support assembly. Swing arms (1) are in U shapes, the closed ends of the two swing arms (1) are connected through a connecting plate (2), the middles of the upper lateral side and the lower lateral side of the connecting plate (2) are provided with shifting fork claws (4), the shifting fork claws (4) and the swing arms (1) are located on the same side of the connecting plate (2), a back plate (3) is arranged at the back of the connecting plate (2) in the mode of being vertically perpendicular to the connecting plate (2), a central spindle (5) is fixedly sleeved with the back plate (3), the central spindle (5) is further and movably sleeved with a support (6), the support (6) comprises a vertical plate (6a) and a transverse plate (6b), the central spindle (5) is movably sleeved with the vertical plate (6a), the transverse plate (6b) is connected to the lower end of the vertical plate (6a), the transverse plate (6b) and the back plate (3) are located on the two sides of the vertical plate (6a) respectively, and a bolt hole (11) is formed in the transverse plate (6b). According to the reverse gear swing arm support assembly, the reverse gear swing arms of novel structures are adopted, meanwhile, the pre-tightening force is provided by a compressed spring, the displacement accuracy of a reverse-gear gear is effectively improved, and meanwhile the reverse gear swing arm support assembly has the advantages of being convenient to reset, firm in installation, low in manufacturing cost and the like.
Owner:CHONGQING LANDAI POWER TRANSMISSION MACHINERY

Handle for moving trolley of surgical robot

The invention discloses a handle for a moving trolley of a surgical robot, and relates to the field of handles. The invention aims to solve the problems that handles of a moving trolley of an existingoperation robot are very inconvenient when reverse pushing is carried out, and when the moving trolley moves to an appointed position, handle assemblies are not adjustable and occupy the working space, so that inconvenience is brought to the work of operation-related workers. A handle fixed part (1) is embedded and mounted on the moving trolley (A) of the surgical robot, a limiting assembly is mounted on a handle shaft (2), the handle fixed part (1) achieves three states of standby state, forward stretching pushing and backward stretching pushing through inserting and pulling at different positions on the handle shaft (2), one end of each of handles (6) is connected with the handle fixed part (1), and the other ends of the handles (6) are connected with handles (7). The handle is used onthe moving trolleys of surgical robots.
Owner:杭州唯精医疗机器人有限公司

Driving auxiliary device of automobile

The invention relates to a driving auxiliary device of an automobile. The driving auxiliary device of the automobile comprises a control module, a power source module, a first laser spotlight and a control switch, wherein the power source module, the first laser spotlight and the control switch are respectively connected with the control module, the power source module supplies power to each device module which is connected with the control module through the control module, the first laser spotlight is arranged on one side of an automobile body, and the irradiating direction of the first laser spotlight points to the driving direction of the automobile. The driving auxiliary device of the automobile has the advantages of being simple in structure, easy to realize, convenient to operate, and capable of providing practical and effective protection for the driving process of a driver and passengers and having large market promotion value.
Owner:WUXI EPIC TECH

Automatic plastic section material perforating machine

The invention relates to the technical field of plastic section material processing device, in particular to an automatic plastic section material perforating machine. The automatic plastic section material perforating machine comprises a fixing support frame, a pressing device, a drilling device, an adjusting device and a pushing device. The pressing device is capable of moving downwards to pressa plastic section material; the drilling device is used for drilling the plastic section material; the adjusting device is used for adjusting positions of the drilling device and the pressing device;the pushing device is used for pushing the drilling device to feed and retract. The pressing device, the adjusting device and the pushing device are all arranged on the fixing support frame. The pressing device is provided with a plurality of clamping grooves for plastic section material placement, and the clamping grooves are collinear. The pressing device and the drilling device are fixedly connected through a first fixing plate, the adjusting device is arranged between the first fixing plate and the fixing support frame, and the drilling device is connected with the pushing device. The automatic plastic section material perforating machine has advantages that automatic perforation of the plastic section material can be completed; by internal and external pressing for fixing the plasticsection material, the plastic section material is well guaranteed against deformation in a perforation process, and plastic section material processing precision is guaranteed.
Owner:DONGGUAN UNIV OF TECH +1

Material carrying device for constructional engineering

The invention discloses a material carrying device for constructional engineering in the technical field of constructional engineering. A carrying vehicle body is included. Wheel shaft brackets are welded to a bottom of the carrying vehicle body in a front-back symmetry mode. A wheel shaft is transversely inserted between the two groups of wheel shaft brackets; and two ends of the wheel shaft penetrate through the side walls of the two groups of wheel shaft brackets. Forward rotation and reverse rotation of the driving motor are controlled through the two sets of switches correspondingly; workers can conveniently make carrying rollers move forwards and backwards; a single person can independently finish moving work of the carrying vehicle body loaded with building materials; manpower and burdens of workers are saved; complexity of multi-person cooperation is avoided, more building materials can be loaded and carried each time, and carrying efficiency is improved; and limiting sleeves II, limiting rods II and limiting stop lever structures on the two sides can clamp the building materials loaded at the top of the carrying vehicle body by utilizing an elastic force effect of clampingsprings.
Owner:安徽瑞腾建筑工程有限公司 +2

Centrifugal type steel brush used for inside of petroleum casing pipe

The invention discloses a centrifugal type steel brush used for the inside of a petroleum casing pipe and belongs to the technical field of corrosion protection of petroleum casing pipes. The centrifugal type steel brush used for the inside of the petroleum casing pipe comprises a steel brush head, wherein the left end of the steel brush head is fixedly connected with a slide rail rod; the slide rail rod is sleeved with a movable brush rod; the upper end of the steel brush head is fixedly connected with a small motor; a motor rotating shaft is arranged in the middle of the small motor; the motor rotating shaft is rotationally connected with the small motor; one end of the motor rotating shaft away from the small motor is sleeved with a turntable; the upper end of a reciprocating track plate is provided with a reciprocating track; a steel brush push rod is arranged in the reciprocating track; the right end of the steel brush push rod is fixedly connected with an intermittent rotating shaft; the right end of the intermittent rotating shaft is fixedly connected with a unidirectional rotation rod; the lower end of the steel brush head is fixedly connected with a return half ring; the left end of the return half ring is fixedly connected with a return spring; and the left end of the return spring is fixedly connected with the movable brush rod. The cleaning effect of the steel brushused for the inside of the petroleum casing pipe is improved through the structure.
Owner:YANCHENG DEZHENG MACHINERY CO LTD

A parking guidance method, system, intelligent terminal and storage medium

ActiveCN111785069BConvenient driving, parking and navigationDriving, parking, navigation, travel humanizationDetection of traffic movementIndication of parksing free spacesDriver/operatorParking space
The invention relates to a parking guidance method, system, intelligent terminal and storage medium, and relates to the technical field of parking management. It includes determining the number of effective parking spaces in each parking lot at different time periods, determining the effective parking spaces on the road that are suitable for parking, displaying the names of effective parking spaces and the number of effective parking spaces that are suitable for parking on the display screen of the first-level guidance sign, The second-level guidance sign guides the vehicle from the place where the sign is erected to the driving direction of the nearby parking lot. The display screen of the third-level parking guidance sign shows the parking parameters of the parking lot itself, and the display screen guides the driver to drive the vehicle to the allocated good parking space. The invention not only can solve the problem of difficult parking, but also has the advantage of alleviating the problem of traffic congestion.
Owner:NINGBO UNIVERSITY OF TECHNOLOGY +1

Gas injection pipeline movable sealing system and method for underground coal gasification

The invention provides a gas injection pipeline movable sealing system and method for underground coal gasification, relates to the technical field of coal gasification and exploitation, and solves the problem of combustible gas leakage between a gas injection pipe and a protection pipe. The system comprises annular air bags, a pressure sensor, a hydraulic supporting part, a controller, an air compressor, a vacuum pump, a temperature-resistant cement layer and a high-strength temperature-resistant layer, wherein the plurality of annular air bags are arranged at intervals along the gas injection pipe, the pressure sensor monitors the air pressure in the annular air bags, and the hydraulic supporting part supports and fixes the gas injection pipe; and an auxiliary wire outlet is arranged between the protection pipe and the gas injection pipe, and the controller receives signals of the pressure sensor and controls the air compressor and the vacuum pump to work. The system is installed ina gas injection drilling channel, the air pressure of the annular air bags is controlled in real time through the controller, and the sealing state between the gas injection pipe and the protection pipe is guaranteed; and the method ensures the operation safety in a bottom plate rock roadway, reduces the coal gasification loss rate and prolongs the service life of the system.
Owner:SHANDONG UNIV OF SCI & TECH

Material handling device for construction engineering

The invention discloses a material handling device for construction engineering in the technical field of construction engineering, which includes a transport vehicle body, wheel axle brackets are welded symmetrically front and rear at the bottom of the transport vehicle body, wheel axles are inserted transversely between two groups of wheel axle supports, and the wheel axles The two ends run through the side walls of the two groups of wheel shaft brackets respectively. The invention controls the forward rotation and reverse rotation of the drive motor through two groups of switches, which is convenient for the staff to control the forward and backward of the transport rollers, so that a single person can independently complete the loading and unloading. The moving work of the building material handling vehicle body saves manpower and the burden of the staff, avoids the cumbersomeness of multi-person cooperation, and can load and carry more building materials each time, improving the efficiency of handling. By using the clamping spring The elastic force makes the structure of the limit sleeve two, the limit rod two and the limit gear bar on both sides clamp the building materials loaded on the top of the transport vehicle body.
Owner:安徽瑞腾建筑工程有限公司 +2

Anti-reverse-discharge pipeline device for transformer substation

The invention discloses an anti-reverse-discharge pipeline device for a transformer substation. A first mounting part, a second mounting part and a third mounting part are arranged at the two ends ofan anti-reverse-discharge pipeline body respectively; the first mounting part is located on the outer side of the second mounting part; the second mounting part is located on the outer side of the third mounting part; external threads are formed in the outer side faces of the first mounting part, the second mounting part and the third mounting part respectively; a first mounting table is arrangedon the top of one end of the anti-reverse-discharge pipeline body; a second mounting table is arranged on the top of the other end of the anti-reverse-discharge pipeline body; a first hanging table groove is formed in the top of the first mounting table; a first mounting groove is formed in the middle of the bottom of the first hanging table groove; and a filter plate is installed in the first mounting groove in a sliding mode. By the adoption of the structure, the device can effectively prevent reverse discharge, and meanwhile can give a warning to related personnel in time to avoid loss of the transformer substation.
Owner:安徽宏源电力设计咨询有限责任公司 +2

A sports health information management system

The invention discloses a sports health information management system, which comprises a base, side plates are welded on both sides of the top of the base, and a translation plate is slidingly contacted on the sides where the two side plates are close to each other. The side of the plates close to each other is welded with the same bearing plate, the top of the bearing plate is fixedly installed with a storage box with an opening on the top, the bottom of the bearing plate is welded with a first connecting rod, and the bottom end of the first connecting rod is fixedly installed with a first connecting rod. Conductive block, the top center of the base is welded with a second connecting rod, the top of the second connecting rod is fixedly installed with a second conductive block, the second conductive block is located directly below the first conductive block, and the bottom of the bearing plate is welded with two Riser. The invention is simple in structure and easy to use, can prevent overdose or small amount of protein powder from occurring, and is convenient to take out the protein powder after weighing, so as to meet the needs of users.
Owner:XIAN INST OF PHYSICAL EDUCATION

Integrated Marketing System for a Jewel Common Market

An integrated marketing system for a jewel common market has a common marketing jewel source offered by the common marketing head office. After purchasing parts of the common marketing jewels from the head office, a dealer may sell the jewels and other common marketing jewels. The head office has a common market integration server and a full common marketing jewel database. The server has a management system and a website interface. To manage the data, the management system functions to manage the records of jewel enter, selling, and deposit. On a network, the website interface shows all the data of common marketing jewels. Customers may get the data regarding the common marketing jewels on the website interface and then purchase a random commonly marketed jewel from the head office or the dealers, or may purchase the commonly marketed jewels directly from one of the dealers.
Owner:LIU YUNG SUNG

Forward and reverse thrust catheter thrusters

The invention provides a ducted propeller with equal forward and reverse thrust force. According to the ducted propeller, on the condition that the rotating speed is constant, thrust force same in magnitude and opposite in direction can be generated when a screw propeller rotates forwardly and reversely, and the propulsive efficiency is high. In order to guarantee that the same inflow condition is provided for forward rotation and reverse rotation of the screw propeller, a fairing with the airfoil profile that the outside of the fairing is flat, the inside of the fairing is convex, and the axial section is symmetric front and back is designed. In order to guarantee that the thrust force is equal when the screw propeller rotates forwardly and reversely, special design is conducted for propeller blades, fusiform sections are adopted for radius profiles, fan-shaped blades are free of side or longitudinal inclination and are provided with wide blade tips, and the whole screw propeller is arranged in the middle of the fairing. A propeller hub, a hub cap and a cabin are equal in diameter and streamlined in shape, and the end of the hub cap and the end of the cabin have the same shape. The ducted propeller with the equal forward and reverse thrust force is simple in structure, easy to realize, and capable of greatly facilitating improvement of the maneuvering property of an underwater robot.
Owner:HARBIN ENG UNIV

A reverse gear swing arm bracket assembly

The invention discloses a reverse gear swing arm support assembly. Swing arms (1) are in U shapes, the closed ends of the two swing arms (1) are connected through a connecting plate (2), the middles of the upper lateral side and the lower lateral side of the connecting plate (2) are provided with shifting fork claws (4), the shifting fork claws (4) and the swing arms (1) are located on the same side of the connecting plate (2), a back plate (3) is arranged at the back of the connecting plate (2) in the mode of being vertically perpendicular to the connecting plate (2), a central spindle (5) is fixedly sleeved with the back plate (3), the central spindle (5) is further and movably sleeved with a support (6), the support (6) comprises a vertical plate (6a) and a transverse plate (6b), the central spindle (5) is movably sleeved with the vertical plate (6a), the transverse plate (6b) is connected to the lower end of the vertical plate (6a), the transverse plate (6b) and the back plate (3) are located on the two sides of the vertical plate (6a) respectively, and a bolt hole (11) is formed in the transverse plate (6b). According to the reverse gear swing arm support assembly, the reverse gear swing arms of novel structures are adopted, meanwhile, the pre-tightening force is provided by a compressed spring, the displacement accuracy of a reverse-gear gear is effectively improved, and meanwhile the reverse gear swing arm support assembly has the advantages of being convenient to reset, firm in installation, low in manufacturing cost and the like.
Owner:CHONGQING LANDAI POWER TRANSMISSION MACHINERY

High-stiffness nitrile rubber outer tube rubber formula for mine use

The invention provides a high-stiffness nitrile rubber outer tube rubber formula for mine use. The formula comprises the raw materials in parts by mass: 90-125 parts of nitrile rubber, 70-95 parts of N550 carbon black, 10-30 parts of white carbon black, 20-45 parts of ground calcium carbonate, 2-7 parts of zinc oxide, 0.5-1.5 parts of stearic acid, 5-15 parts of dioctyl adipate, 2-10 parts of resorcinol, 4-7 parts of a shaping agent and 4-7 parts of a hardening agent. By combining high Mooney Nandi raw rubber, Taiwan, China, white carbon black and resorcinol in use, the bonding property of a sizing material and weaving cotton cloth is improved. By using a low-temperature-resistant plasticizer DOA, the low-temperature resistance of a product is improved, a rubber compound is ultrahigh in Mooney, and the rubber tube which is formed is good in stiffness and does no collapse and deform.
Owner:WUHU JITUO RUBBER TECH
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